12222211022001 has 24 divisors (see below), whose sum is σ = 17796235991040. Its totient is φ = 8082655047936.

The previous prime is 12222211021957. The next prime is 12222211022011. The reversal of 12222211022001 is 10022011222221.

It is a happy number.

12222211022001 is a `hidden beast` number, since 1 + 222 + 221 + 1 + 0 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 12222211022001 - 2⁷ = 12222211021873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12222211022011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6112540 + ... + 7861778.

It is an arithmetic number, because the mean of its divisors is an integer number (741509832960).

Almost surely, 2^{12222211022001} is an apocalyptic number.

It is an amenable number.

12222211022001 is a deficient number, since it is larger than the sum of its proper divisors (5574024969039).

12222211022001 is a wasteful number, since it uses less digits than its factorization.

12222211022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755485 (or 1755482 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12222211022001 its reverse (10022011222221), we get a palindrome (22244222244222).

The spelling of 12222211022001 in words is "twelve trillion, two hundred twenty-two billion, two hundred eleven million, twenty-two thousand, one".